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GHSA-MX7V-5J4Q-68WR

Vulnerability from github – Published: 2025-12-24 12:30 – Updated: 2025-12-24 12:30

Details

In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device

In case devcom allocation is failed, mlx5 is always freeing the priv. However, this priv might have been allocated by a different thread, and freeing it might lead to use-after-free bugs. Fix it by freeing the priv only in case it was allocated by the running thread.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-54015"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T11:15:54Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Devcom, fix error flow in mlx5_devcom_register_device\n\nIn case devcom allocation is failed, mlx5 is always freeing the priv.\nHowever, this priv might have been allocated by a different thread,\nand freeing it might lead to use-after-free bugs.\nFix it by freeing the priv only in case it was allocated by the\nrunning thread.",
  "id": "GHSA-mx7v-5j4q-68wr",
  "modified": "2025-12-24T12:30:28Z",
  "published": "2025-12-24T12:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-54015"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1e755065368000205e6683fa924b2654e99f573b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3dfc1004d9afbf689087ae1eafd88f55481984c7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3a516caef2c5be2f4d171890a8b3415bfab4e5e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af87194352cad882d787d06fb7efa714acd95427"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d4d10a6df1529b3f446cdada5c25e065f4712756"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eaa365c10459052cbe3e44caa4ad760cb93bd435"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2023-54015 (GCVE-0-2023-54015)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:55 – Updated: 2026-05-11 19:53

Title

net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device

Summary

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device In case devcom allocation is failed, mlx5 is always freeing the priv. However, this priv might have been allocated by a different thread, and freeing it might lead to use-after-free bugs. Fix it by freeing the priv only in case it was allocated by the running thread.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

6 references

URL	Tags
https://git.kernel.org/stable/c/3dfc1004d9afbf689…
https://git.kernel.org/stable/c/d4d10a6df1529b3f4…
https://git.kernel.org/stable/c/1e755065368000205…
https://git.kernel.org/stable/c/eaa365c10459052cb…
https://git.kernel.org/stable/c/a3a516caef2c5be2f…
https://git.kernel.org/stable/c/af87194352cad882d…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: fadd59fc50d010145f251db583c7ccef37393d19 , < 3dfc1004d9afbf689087ae1eafd88f55481984c7 (git) Affected: fadd59fc50d010145f251db583c7ccef37393d19 , < d4d10a6df1529b3f446cdada5c25e065f4712756 (git) Affected: fadd59fc50d010145f251db583c7ccef37393d19 , < 1e755065368000205e6683fa924b2654e99f573b (git) Affected: fadd59fc50d010145f251db583c7ccef37393d19 , < eaa365c10459052cbe3e44caa4ad760cb93bd435 (git) Affected: fadd59fc50d010145f251db583c7ccef37393d19 , < a3a516caef2c5be2f4d171890a8b3415bfab4e5e (git) Affected: fadd59fc50d010145f251db583c7ccef37393d19 , < af87194352cad882d787d06fb7efa714acd95427 (git)
Linux	Linux	Affected: 5.0 Unaffected: 0 , < 5.0 (semver) Unaffected: 5.4.244 , ≤ 5.4.* (semver) Unaffected: 5.10.181 , ≤ 5.10.* (semver) Unaffected: 5.15.114 , ≤ 5.15.* (semver) Unaffected: 6.1.31 , ≤ 6.1.* (semver) Unaffected: 6.3.5 , ≤ 6.3.* (semver) Unaffected: 6.4 , ≤ * (original_commit_for_fix)

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          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c"
          ],
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              "version": "0",
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.15.114",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.1.31",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.3.5",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
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        }
      ],
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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GHSA-MX7V-5J4Q-68WR

CVE-2023-54015 (GCVE-0-2023-54015)

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